介孔材料是通过模板导向自主装的方式合成的。它们的形貌多为粉末或薄膜,潜在的应用包括催化、分离、传感器、以及在半导体芯片中的具有低介电常数(low-k)的绝缘材料。
相关论文:
- Wang, W., Grozea, D., Kim, A., Perovic, D. D. & Ozin, G. A. Vacuum-assisted aerosol deposition of a low-dielectric-constant periodic mesoporous organosilica film. Adv. Mater. 22, 99-102 (2010). Publisher’s version
- Wang, W., Grozea, D., Kohli, S., Perovic, D. D. & Ozin, G. A. Water repellent periodic mesoporous organosilicas. ACS Nano 5, 1267-1275 (2011). Publisher’s version
- Wang, Z. M., Wang, W., Coombs, N., Soheilnia, N. & Ozin, G. A. Graphene oxide-periodic mesoporous silica sandwich nanocomposites with vertically oriented channels. ACS Nano 4, 7437-7450 (2010). Publisher’s version
- Seino, M., Wang, W., Lofgreen, J. E., Puzzo, D. P., Manabe, T. & Ozin, G. A. Low-k periodic mesoporous organosilica with air walls: POSS-PMO. J. Am. Chem. Soc. 133, 18082-18085 (2011). Publisher’s version
- Guan, M., Wang, W., Henderson, E. J., Dag, O., Kubel, C., Chakravadhanula, V. S. K., Rinck, J., Moudrakovski, I. L., Thomson, J., McDowell, J., Powell, A. K., Zhang, H. X. & Ozin, G. A. Assembling photoluminescent silicon nanocrystals into periodic mesoporous organosilica. J. Am. Chem. Soc. 134, 8439-8446 (2012). Publisher’s version
用包含磁流体的液体注入到含有孔结构的表面,可以得到一种磁性的固液混合材料:ferrofluid-containing liquid-infused porous surfaces, 简称为FLIPS。FLIPS 是一个多功能的平台,能够操纵胶体和液滴,切换吸附力和摩擦力,控制液体流和生物膜。
相关论文:
- Wang, W.†; Timonen J.†; Carlson, A.; Drotlef, D; Zhang, T.Y.C.; Grinthal, A.; Kolle, S.; Wong, T.-S.; Hatton, B.; Carlson, A.; Kang, S. H.; Kennedy, S.; Chi, J.; Blough, R. T.; Sitti, M.; Mahadevan, L.; Aizenberg, J., Multifunctional ferrofluid-infused surfaces with reconfigurable multiscale topography. Nature 559, 77-82 (2018). Publisher’s version, accepted version, press release.
研究群集微观机器人的灵感来自于自然界,包括鱼群、鸟群、昆虫群和人群。这些研究不仅探索统计物理、胶体学、流体力学等学科中的一些基础问题,而且与新能源和医药学中的应用有着紧密的联系。
相关论文:
- Wang, W., Giltinan, J., Zakharchenko, S. & Sitti, M. Dynamic and programmable self-assembly of micro-rafts at the air-water interface. Sci. Adv. 3, e1602522 (2017). Publisher’s version, PDF, video
- Wang, W.*, Kishore, V., Koens, L., Lauga, E. & Sitti, M*. Collectives of Spinning Mobile Micro-robots for Navigation and Object Manipulation at the Air-water Interface in 2018 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) 1–9 (2018). Publisher’s version, videos
- Koens, L.; Wang, W.; Sitti, M.; Lauga, E., The near and far of two magnetic capillary disks, Soft Matter 15, 1497–1507 (2019). Publisher’s version, inside back cover